TY - JOUR AU - Korec, Ivan TI - Structures related to Pascal's triangle modulo $2$ and their elementary theories JO - Mathematica slovaca PY - 1994 SP - 531 EP - 554 VL - 44 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1994__44_5_a5/ LA - en ID - MASLO_1994__44_5_a5 ER -